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120 expected to find loyalty to his person, and a safe refuge in case of defeat.

His great antagonist came on across the Euphrates against him, at the head of an army which Arrian, copying from the journals of Macedonian officers, states to have consisted of forty thousand foot, and seven thousand horse. In studying the campaigns of Alexander we possess the peculiar advantage of deriving our information from two of Alexander's generals of division, who bore an important part in all his enterprises. Aristobulus and Ptolemy (who afterwards became king of Egypt) kept regular journals of the military events which they witnessed, and these journals were in the possession of Arrian, when he drew up his history of Alexander's expedition. The high character of Arrian for integrity makes us confident that he used them fairly, and his comments on the occasional discrepancies between the two Macedonian narratives prove that he used them sensibly. He frequently quotes the very words of his authorities: and his history thus acquires a charm such as very few ancient or modern